1008 search results - page 178 / 202 » Logic and Databases |
RSCTC
2000
Springer
13 years 11 months ago
2000
Springer
: In the paper nine different approaches to missing attribute values are presented and compared. Ten input data files were used to investigate the performance of the nine methods t...
EFDBS
2003
13 years 9 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...
GIS
2009
ACM
14 years 8 months ago
2009
ACM
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
ICSE
2004
IEEE-ACM
14 years 7 months ago
2004
IEEE-ACM
While the importance of multi-tier architectures for enterprise information systems is widely accepted and their benefits are well published, the systematic migration from monolit...